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Terms for subject Technology containing 投 射 线 | all forms | in specified order only
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天空投射系数曲线sky factor curve
心射投影基准子午线principal meridian of gnomonic chart
投射线projecting line
极切心射投影标线polar gnomonic graticule
点投影式 X 射线显微镜point projection X-ray microscope
等天空投射系数曲线iso-sky factor curves
等天空投射系数曲线sky factor contours